The maintenance of an In-Line rating suggests that Evercore ISI Group believes General Mills is performing as expected relative to the market or its sector. The reduction in the price target, however, may indicate a slightly more conservative outlook on the company's future performance. This could be due to a variety of factors such as market conditions, company performance, or sector trends. The potential upside of 9.29% is positive, but the lowering of the price target could be seen as a negative signal, leading to a neutral short-term impact on the stock price.